tuttle



March 9 1926;

J. l. TUTTLE CALCULATING MACHINE Filed April 2OJ 1925 '1,575,803 a jfs @rapidly b solved 'and'` withA accmcy by `actingvrfada-l-slots andf'mounteld tolfotate on f proper manpulatonlof thefparts. -V the rst dsk,kmeanys for locking these disks 10V Having thusfully-described my invention .togethr,"and means for'turning selectively Wh"4 t I claim 'as new andl desire t ysecure by!k the seconddsk or the pair of disks.,` 

